Dolphin Massbus Adapter

This document outlines the design, performance goals, and specifications for the RH30 Massbus Adapter (MBA). It details the interface between the Dolphin Bus and the DEC Standard Massbus, intended for use with TOPS10, TOPS20, and VAX/VMS operating systems. Key areas covered include system specifications, signal definitions for both the Dolphin and Massbus interfaces, channel operation for TEN and VAX systems, and register programming and operation for the MBA.